freedom from disturbance; tranquility. "you can while away an hour or two in peace and seclusion" synonyms: tranquility · calm · calmness · restfulness · peace and quiet · peacefulness · quiet · [more]
a state or period in which there is no war or a war has ended. "the Straits were to be open to warships in time of peace" · [more] synonyms: law and order · lawfulness · order · peacefulness · peaceableness · harmony · [more]
relating to or determined by the sun. "solar radiation"
relating to or denoting energy derived from the sun's rays. "solar heating"